College grads have a better chance of getting a job than non-college grads, but some degrees are more helpful than others. A study released this week by Georgetown University looked at education and jobs, finding that recent college grads had an overall unemployment rate of 7.9 percent in 2010 and 2011.

But a closer look at specific degrees showed a big range. Here's the top 20 worst college degrees for getting a job, followed by the 10 best degrees, according to the study.

Georgetown University found that recent grads in this field had the hardest time finding work in 2010 and 2011. The study said workers who create software and computer systems are more employable than workers who use or maintain them.